#include<stdio.h>
int main()
{float score,sum=0,average;
int i,n=0;
for(i=1;i<6;i++)
{printf("please enter score:");
scanf("%f",&score);
if(score<60)
    {printf("fail:%7.2f\n",score);
    continue;
	}sum=sum+score;
	n=n+1;
}
average=sum/n;
printf("\nn=%d,average=%7.2f\n",n,average);
return 0;
}



